Local Calling Guide
Area code/prefix search
Switch: SNMTCA11DS1
- Switch name: SAN MATEO
- Switch type: 5E
- See all switches at this location
| NPA-NXX | BLOCK | Rate Centre | Region | OCN | LATA | LIR | Eff date | Disc date |
|---|---|---|---|---|---|---|---|---|
| 650-341 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-345 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-349 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-356 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-357 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-358 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-372 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-377 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-378 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-522 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-524 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-570 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-571 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-572 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-573 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-574 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-577 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-578 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 | |||
| 650-627 | A | San Mateo | CA | 9740 PACIFIC BELL | 722 |
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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